Huntington disease is a rare dominant trait that causes neurodegeneration later in life. A man in his thirties, who already has threechildren, discovers that his mother has Huntington disease thoughhis father is unaffected. What are the following probabilities?A. That the man in his thirties will develop Huntington disease.B. That his first child will develop Huntington disease.C. That one out of three of his children will develop Huntingtondisease.

Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter5: The Inheritance Of Complex Traits
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Problem 23QP: If diseases such as cardiovascular disease (hypertension and atherosclerosis) are familial, is this...
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Huntington disease is a rare dominant trait that causes neurodegeneration later in life. A man in his thirties, who already has three
children, discovers that his mother has Huntington disease though
his father is unaffected. What are the following probabilities?
A. That the man in his thirties will develop Huntington disease.
B. That his first child will develop Huntington disease.
C. That one out of three of his children will develop Huntington
disease.

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